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MEDSCI142 > Brain Lab > Flashcards

Brain Lab Flashcards

1
Q

What are the 3 white matter tracts?

A

Association Fibre
Commissural Fibre
Projection Fibre

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2
Q

Association Fibre

A

Between gyri in the same hemisphere (arcuate fasciculus)

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3
Q

Commissural Fibre

A

Between hemispheres (corpus collosium)

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4
Q

Projection Fibre

A

Descending or Ascending Tract (internal capsule)

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5
Q

Corpus Callosum

A

white matter tract carrying info between hemispheres

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6
Q

Thalamus

A

relays almost all sensory input to cortex

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7
Q

Caudate Nucleus

A

planning the execution of movement, but also in learning, memory, reward, motivation, emotion, and romantic interaction

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8
Q

Third Ventricle

A

contains CSF
surrounds the intermediate mass
behind the thalamus

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9
Q

Calcarine Sulcus

A

Marks the region of the primary visual cortex
Recieves info from both eyes at the optic chiasm

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10
Q

What are the anterior and posterior primary visual cortex used for?

A

Anterior = peripheral
Posterior = central

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11
Q

Mammillary body

A

Olfactory reflexes
Smells + involuntary actions

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12
Q

Intermediate Mass

A

Joins to thalami together

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13
Q

Cingulate Gyrus

A

Part of the limbic system (emotions)

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14
Q

Longitudinal Fissure

A

Separates Hemispheres

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15
Q

Gyri

A

Folds

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16
Q

Sulci

A

Grooves

17
Q

What are the 3 components of the BRAINSTEM?

A

Midbrain
Pons
Medulla

18
Q

What are the 3 components of the HINDBRAIN?

A

Cerebellum
Pons
Medulla

19
Q

Oculomotor Nerve

A

Controls movement of the eyes

20
Q

Cerebral Peduncles

A

Thick white matter tracts that carry info between the cerebral cortex and the spinal cord + pons

21
Q

Cerebral Aqueduct

A

Carries CSF from the 3rd ventricle to the 4th

22
Q

Superior + Inferior Canicului

A

Superior = Sight
Inferior = Sound

23
Q

Where is CSF secreted from?

A

Choroid Pleus

24
Q

Fourth Ventricle

A

Contains CSF that goes to central canal before leaving to protect the meninges

25
Q

Cerebellum

A

Autonomic muscle control
-Smooths movement + balance

26
Q

Medulla

A

Centre for cardiovascular + respiratory systems

27
Q

What fibres pass through the medulla?

A

Spinal Fibres (cortico)

28
Q

What fibres synapse at the pons?

A

Cortico-pontine fibres

29
Q

What separates the Frontal and Parietal Lobes?

A

Central Sulcus

30
Q

What separates the Frontal and Temporal Lobes?

A

Lateral Fissure
also separates P & T

31
Q

What separates the Parietal and Occipital Lobes?

A

Parieto-occipital sulcus

32
Q

What separates the back part of the Temporal Lobe and the Occipital Lobe?

A

Pre-occipital Notch

33
Q

What makes up the Basal Ganglia?

A

Putamen
Globus Pallidus
Caudate Nucleus
Substantia Nigra
Subthalamic Nucelus

MEDSCI142 (18 decks)

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